[PATCH 3/6] shgen: Import from RTEMS

[Joel Sherrill]

On Mon, Jun 11, 2018, 7:53 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> On 08/06/18 04:19, Chris Johns wrote:
> > On 07/06/2018 16:11, Sebastian Huber wrote:
> >> On 07/06/18 07:53, Chris Johns wrote:
> >>> On 07/06/2018 15:39, Sebastian Huber wrote:
> >>>> Corresponding RTEMS commit is
> 75933d5d25cd50f80162b7a0d2f66a5534e1763f.
> >>>>
> >>>> Update #3443.
> >>>> ---
> >>>>    misc/shgen/AUTHORS |   3 +
> >>>>    misc/shgen/COPYING | 340
> +++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>>>    misc/shgen/TODO    |  13 ++
> >>>>    misc/shgen/sci.c   | 177 ++++++++++++++++++++++++++++
> >>>>    misc/shgen/sci.h   |  11 ++
> >>>>    misc/shgen/shgen.c | 114 ++++++++++++++++++
> >>>>    misc/wscript       |   9 ++
> >>>>    7 files changed, 667 insertions(+)
> >>>>    create mode 100644 misc/shgen/AUTHORS
> >>>>    create mode 100644 misc/shgen/COPYING
> >>>>    create mode 100644 misc/shgen/TODO
> >>>>    create mode 100644 misc/shgen/sci.c
> >>>>    create mode 100644 misc/shgen/sci.h
> >>>>    create mode 100644 misc/shgen/shgen.c
> >>>>
> >>>> diff --git a/misc/shgen/AUTHORS b/misc/shgen/AUTHORS
> >>>> new file mode 100644
> >>>> index 0000000..225c2fa
> >>>> --- /dev/null
> >>>> +++ b/misc/shgen/AUTHORS
> >>>> @@ -0,0 +1,3 @@
> >>>> +Ralf Corsepius (corsepiu at faw.uni-ulm.de)
> >>>> +    * Initial implementation
> >>>> +    * generator for sci bitrate table
> >>>> diff --git a/misc/shgen/COPYING b/misc/shgen/COPYING
> >>>> new file mode 100644
> >>>> index 0000000..8cc2ef7
> >>>> --- /dev/null
> >>>> +++ b/misc/shgen/COPYING
> >>>> @@ -0,0 +1,340 @@
> >>>> +
> >>>> +            GNU GENERAL PUBLIC LICENSE
> >>> The RTEMS tools is almost clean of GPL code. There is a small piece in
> the
> >>> rtemstoolkit I would to replace but I have not done that yet.
> >> The nios2gen is also GPL (the RTEMS GPL with linking exception). Is
> this a
> >> problem?
> > We are moving to a BSD-2 license so I assumed this is part of that
> change?
>
> Did someone ask Kolja Waschk if he is all right with a license change?
>

Not that I know of.

>
> >
> >> The GCC, GDB and Binutils are also GPL.
> > They are not in this repo. It is about our repos and the compliance
> obligations
> > users have with our code base.
>
> Ok, then we have a problem with the tools in the RTEMS sources
> repository. The shgen is GPL, the nios2gen is RTEMS GPL and the
> rtems-bin2c has no license at all.
>

If shgen is not used in the build now, then it hasn't been used for over a
decade. I say kill it to solve that problem.

Rtems-bin2c is old but from OAR. Marked it as 2 paragraph BSD and oar
please. I think it dates back to the original RTEMS CVS date of May 1995.

I still have a flight and a train left. Please mark bin2c and move that one
along.

>
> >
> >>> Does this tool need to move over?
> >> I would like to move all host tools out of the RTEMS repository to
> simplify the
> >> build. If we get rid of the host tools, then we have only to deal with
> the
> >> cross-build tools.
> > This is a good thing to do, thank you.
> >
> >>>    Is the sh arch active?
> >> I don't know.
> > I suggest we remove this code until someone needs it and can resolve
> this issue.
> > The code is in the 4.11 releases so is easy to find.
>
> The shgen tool is used to build the gensh1 and gensh2 BSPs to generate
> the scitab.c source file.
>
> One option to get rid of the shgen tool would be to remove the
> CPU_CLOCK_RATE_HZ BSP option.
>
> >
> >> There was some activity on this architecture in GCC and Binutils
> >> recently. Some patents expired. This seemed to resurrect this
> architecture.
> >>
> >> https://en.wikipedia.org/wiki/SuperH
> >>
> > I saw this. Until there is some activity it is impossible to know where
> this
> > will lead.
>
> The intention of my tool moves was not to obsolete a complete RTEMS port.
>
> --
> Sebastian Huber, embedded brains GmbH
>
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone   : +49 89 189 47 41-16
> Fax     : +49 89 189 47 41-09
> E-Mail  : sebastian.huber at embedded-brains.de
> PGP     : Public key available on request.
>
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
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